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U.S. House · Florida · Nov 3 · 7 days out
Florida House, district 21
Brian Mast (Republican, incumbent) against James Martin (Democrat).
Where they stand · 46 points apart
Martin is an estimateSolid is a voting record; hollow is read from the campaign’s own words. Biggest gaps first.
Brian MastrecordJames Martinestimate
Money
FEC to Sep 30RaisedMast$4.9MMartin$773kItemized, named donorsMast$2.2MMartin$494kNamed donorsMast3,459Martin355Itemized from FloridaMast29%Martin75%
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.
In their own words
Campaign sites and X“Service Before Self”
“Early voting has started in Palm Beach and St. Lucie counties, and Team Mast is at the doors. Martin County starts Wednesday. Make your plan. Then help a neighbor make theirs. Let's finish the mission. 🇺🇸” Mast · X post · Oct 20 · ↗
“Deep local roots and a proven leader”
“These trips strengthened U.S. alliances and advanced diplomacy that made Americans safer and more prosperous.” Martin · X post · Mar 19 · ↗
All market contracts · Kalshi and Polymarket · 4
| Candidate | Platform | Contract | Bid | Ask | Last | Volume | |
|---|---|---|---|---|---|---|---|
| Brian Mast | Kalshi | Republican wins | 87% | 88% | 87% | $9,111 | Open ↗ |
| Brian Mast | Polymarket | Republican wins | 85% | 88% | 88% | $23,546 | Open ↗ |
| James Martin | Kalshi | Democrat wins | 12% | 13% | 12% | $17,280 | Open ↗ |
| James Martin | Polymarket | Democrat wins | 12% | 14% | 14% | $20,965 | Open ↗ |
Prices in cents on the dollar, read Oct 27, 2026. A party contract pays if that party wins the seat.
Also on the Florida ballot
All 29 →Statement estimate · odds are a market close, not a poll